rubber blackboard eraser
The blackboard has been wiped clean.
黑板擦干净了。
—— 辞典例句The teacher suggested that we ( should ) clean the blackboard after class.
老师建议我们课后把黑板擦了。
—— 给力词典精选You can rub out the chalk marks with the eraser.
你可以用黑板擦把粉笔印擦掉。
—— 给力词典精选The teacher beat chalk dust from erasers.
老师掸掉黑板擦上的粉笔灰。
—— 给力词典精选Can you clean the blackboard?
把黑板擦一下好 吗 ?
—— 给力词典精选